ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(3), P. 1982 - 1991
Published: March 14, 2024
Chitosan
(CS),
as
the
polymer
friction
layer
of
triboelectric
nanogenerators
(TENGs),
has
great
potential
for
application
in
development
degradable
wearable
sensors.
However,
its
mechanical
properties
and
output
performance
require
further
improvement.
Although
introducing
plasticizers
into
polymers
can
simultaneously
increase
their
TENG
output,
this
strategy
remains
unexplored
TENGs,
which
exhibit
green
materials
electromechanical
conversion.
Herein,
we
used
glycerol
polyethylene
glycol
to
enhance
tensile
CS
TENG.
Plasticizer
incorporation
resulted
an
improved
surface
roughness
introduction
numerous
−OH
groups,
thereby
improving
tribo-positive
electrical
generation
CS.
The
maximum
open–circuit
voltage
reach
173
V,
was
three
times
higher
than
that
pure
CS-based
TENGs.
Moreover,
reduced
Young's
modulus
film
made
it
more
advantageous
flexible
sensor
applications,
throat
sensing
handwriting
recognition
were
realized.
Finally,
exhibited
antibacterial
activity
complete
degradability
soil
within
36
days.
Overall,
plasticizing
method
is
expected
be
extensively
studied
field
degradable,
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(23), P. 1885 - 1885
Published: Nov. 23, 2024
With
the
growing
demand
for
personalized
healthcare
services,
biomaterial-based
triboelectric
nanogenerators
(BM-TENGs)
have
gained
widespread
attention
due
to
their
non-toxicity,
biocompatibility,
and
biodegradability.
This
review
systematically
examines
working
principles,
material
choices,
biomimetic
designs,
clinical
application
scenarios
of
BM-TENGs,
with
a
focus
on
use
natural
biomaterials,
biocomposites,
hydrogels,
other
materials
in
health
diagnostics.
Biomaterials
show
significant
potential
enhancing
TENG
performance,
improving
device
flexibility,
expanding
ranges,
especially
early
disease
detection,
monitoring,
self-powered
sensing
devices.
paper
also
addresses
current
challenges
faced
by
BM-TENG
technology,
including
performance
optimization,
durability.
By
integrating
existing
research
technological
advancements,
this
aims
deeply
analyze
development
propose
corresponding
solutions,
explore
its
practical
prospects
medical
field.